Current-mode variable current gain first-order allpass filter employing CFTAs

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dc.contributor.authorIamarejin, Anirut
dc.contributor.authorManeewan, Suwat
dc.contributor.authorSuwanjan, Peerawut
dc.contributor.authorJaikla, Winai
dc.date.accessioned2026-08-06T10:06:17Z
dc.date.available2026-08-06T10:06:17Z
dc.date.issued2013-01-01
dc.description.abstractIn this study, a current-mode first order allpass filter using current follower transconductance amplifiers (CFTAs) is proposed. The features of the circuit are that: the pole frequency, phase response and current gain can be electronically controlled via the input bias current: the circuit description is very simple, consisting of 2 CFTAs, 1 resistor and 1 grounded capacitor, without any component matching requirements. Consequently, the proposed circuit is very appropriate to further develop into an integrated circuit. Low input and high output impedances of the proposed configuration enable the circuit to be cascaded in current-mode without additional current buffers. The PSpice simulation results are depicted. The given results agree well with the theoretical anticipation.
dc.identifier.citationPrzeglad Elektrotechniczny, 89(2 A), 238-241, 2013
dc.identifier.issn00332097
dc.identifier.other2-s2.0-84874195729
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/4772
dc.sourcePrzeglad Elektrotechniczny
dc.subjectCFTA
dc.subjectCurrent-mode
dc.subjectFirst order all pass filter
dc.titleCurrent-mode variable current gain first-order allpass filter employing CFTAs
dc.typeArticle

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